a selfsimilar traffic model
Rate-Distortion Analysis and Traffic Modelling of Scalable Video Coders
... copying and frame skipping.The coding processes of the spatial and temporal scalability are similar, exceptthat there is spatial up/down-sampling in spatial scalability and temporal up/down-sampling ... various stan-dards and propose a traffic model for multi-layer VBR video traffic. A goodtraffic model is important to the analysis and characterization of network trafficand network performance. While ... optimalscalar quantizers designed using the Lloyd algorithm are introduced.Rather than quantizing one sample at a time in a scalar quantizer, vector quanti-zation quantizes a group of N samples...
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A two-factor model (Duffie & Kan)
... first solve (1) and (2) simultaneously numerically, and then integrate (3) to obtain the function A .32.3 CalibrationLet0 0be given. The value at timetof a bond maturing at timet + ... ,1222C22 ;(3) A 0 = 0;Chapter 32 A two-factor model (Duffie & Kan)Let us define:X1t=Interest rate at timetX2t=Yield at timeton a bond maturing at timet + 0LetX10 ... CHAPTER 32. A two-factor model (Duffie & Kan)32132.2 Zero-coupon bond pricesThe value at timet Tof a zero-coupon bond paying $1 at timeTisB t; T =IE"exp,ZTtX1u...
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Human Resource Portals and the Protean Career A Three-Factor Model
... portals. It isessentially the organizational culture and employee attitudes toward change thatmatter.Organizational FactorsOrganizational factors include organizational culture, opportunities ... employees, they may impact the remaining two. For instance, managers maydevelop an organizational culture that facilitates the implementation of changes,and specifically technological changes. To ... technology and particularly the Internet andthe World Wide Web has dramatically changed how organizations operate.The most far-reaching changes to careers are coming from transformations ofwork and...
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Shaking a box of sand I – a simple lattice model
... transition. As mentioned in an earlier chapter, thedensity may attain values that are substantially higher than random close packing,and quite close to the crystalline limit [131, 132]. An analogous ... investigations.The model [174] is based on the generalisation of an earlier cellular automaton(CA) model [22, 75, 83, 165] of an avalanching sandpile. This version of the model contains only near-neighbour ... very asymmetrically shaped, and there is a strong preferredorientation, the nonequilibrium regime of granular dynamics will carry all the usualcharacteristics of ageing.Now recall that that...
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Tài liệu Activity 4.2: Creating a Logical Data Model ppt
... 4.2: Creating a Logical Data Model In this activity, you will use the skills learned in this module to define the relationships within a logical data model and produce a sample ER diagram for ... the Ferguson and Bardell, Inc. case study. In each of the two exercises in this activity, you analyze a single aspect of a logical data design. At the end of each exercise, the class will discuss ... cardinality and existence characteristics of each of the relationships defined in Exercise 1. ! Identify cardinality 1. For each relationship on your ER diagram, ask the question “How many...
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Tài liệu A COMPREHENSIVE QUANTITATIVE MODEL FOR ANALYZING BOND REFUNDING DECISIONS pptx
... replaced by a floating-rate bond, a floating-rate bond replaced by a fixed-rate bond,and a floating-rate bond replaced by another floating-rate bond with a different index or a different margin.MOTIVATION ... fixed-rate or floating-rate bonds can similarlybe investigated by suitably amending the appropriate input variables. Several what-if scenarios can be investigated (orsimulated) to determine breakeven ... have to be evaluated on a case by casebasis to calculate the exact costs or savings produced by the various interacting variables. Consequently, there is a needfor an interactive computer model...
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Tài liệu Towards a conceptual reference model for project management information systems ppt
... outlinedabove by introducing a very fundamental data structurecalled Initiative (Fig. 3). An initiative is a generalizationof any form of action that has a defined start and end dateand is unde rtaken ... rtaken to reach a goal. Therefore, an initiativemay be a program, a project, a sub-project, a pro ject phase, a work package, an activity or a task (indicated by theinheritance relationship between ... Their feasibility, profitability, and strategic impactare analyzed so that a final decision can be made regard-ing their implementation (Idea Evaluation). This phaseends with a formal go/no-go...
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Tài liệu Báo cáo khoa học: Catabolite repression in Escherichia coli – a comparison of modelling approaches docx
... cellu-lar networks allows the simplification of the set ofequations by assuming a steady state of the intra-cellular metabolites. An approach that combines fluxbalance analysis (FBA) with an ordinary ... unphos-phorylated EIIA inhibits the uptake of other non-PTScarbohydrates by a process called inducer exclusion,whereas phosphorylated EIIA activates adenylatecyclase (CyaA) and leads to an increase ... windows. The analysis of the mutantstrains clearly showed that a large experimental effortis necessary for the rational design of bacterial strainsbased on mathematical models.Nishio et al. [15]...
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Tài liệu Báo cáo khoa học: "A Hybrid Hierarchical Model for Multi-Document Summarization" ppt
... 4: Manual EvaluationsHere, we manually evaluate quality of summaries, a common DUC task. Human annotators are giventwo sets of summary text for each document set,generated from two approaches: ... 12Overall 24 66 2Table 4: Frequency results of manual quality evaluations.Results are statistically significant based on t-test. T ie indi-cates evaluations where two summaries are rated equal.according ... using a classifier model. HIERSUM : (Haghighi and Vanderwende,2009) A generative summarization method basedon topic models, which uses sentences as an addi-tional level. Using an approximation...
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Tài liệu Báo cáo khoa học: "A Unified Graph Model for Sentence-based Opinion Retrieval" pdf
... represented by a bag-of-word. Among the words, there is a topic term Avatar (t1) occurring twice, i.e. Avatar in A and Avatar in C, and two senti-ment words comfortable (o1) and favorite (o2) ... 4.1.1 Benchmark Datasets Our experiments are based on the Chinese benchmark dataset, COAE08 (Zhao et al., 2008). COAE dataset is the benchmark data set for the opinion retrieval track in the ... document. A weighted dictionary was generated from previous TREC relevance data (Amati et al., 2007). This dictionary was submit-ted as a query to a search engine to get an initial query-independent...
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Tài liệu Báo cáo khoa học: "A probabilistic generative model for an intermediate constituency-dependency representation" pptx
... Portugal.Federico Sangati and Chiara Mazza. 2009. An EnglishDependency Treebank` a la Tesni`ere. In The 8th In-ternational Workshop on Treebanks and LinguisticTheories, pages 173–184, Milan, ... have chosen thesame strategy we have described in (Sangati et al.,2009). The idea consists of utilizing a state of theart parser to compute a list of k-best candidates of a test sentence, and ... utilize a state of the art parserfor PS trees (Charniak, 1999), and transform eachcandidate to TDS. This strategy can be considered a first step to efficiently test and compare differentmodels...
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Tài liệu Báo cáo khoa học: "A Finite-State Model of Human Sentence Processing" docx
... moreinformation in lexical entries and increasing am-biguity so that other ambiguity types also can bedisambiguated in a similar way via lexical cate-gory disambiguation. This idea has been ... Press, Cambridge, Massachusetts, 1999.S. Narayanan and D Jurafsky. A bayesian model predicts human parse preference and readingtimes in sentence processing. Proceedingsof Advances in Neural Information ... friend accepted the man whowas very impressed, the tagger showed a repairsince it initially preferred a past-participle analy-sis for accepted and later it had to reanalyze. Thisis a limitation...
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Tài liệu Báo cáo khoa học: "A Joint Statistical Model for Simultaneous Word Spacing and Spelling Error Correction for Korean" pdf
... it needs a word dictionary and takes long time for searching many character combinations. 614.2 Experiment Results and Analyses We used two separate Eumjeol n-grams as lan-guage models for ... single Jaso tran- 3 Jaso is a Korean character. 4 ‘Transition’ means the correct character is changed to other character due to some causes, such as typographical errors. sition case (나와욧Æ나와요 ... because there are several advantages. Since an Eumjeol is a combination of 3 Jasos, the number of all possible Eumjeols is much larger than that of all possible Jasos. In other words, Jaso-based...
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